SA-437/SA-437M
SA-437/SA-437M (Specification for stainless and alloy-steel turbine-type bolting specially heat treated for high-temperature service)· ASME (États-Unis) · 3 matériaux
| Désignation | Désignation alternative | Groupe de matériaux | |
|---|---|---|---|
| SA-437 Grade B4B | 12Cr-1Mo-V-W | Aciers inoxydables | chevron_right |
| SA-437 Grade B4C | 12Cr-1Mo-V-W | Aciers inoxydables | chevron_right |
| SA-437 Grade B4D | Aciers de construction | chevron_right |